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Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 0
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 1
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Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 7
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 8
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 9
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 0
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 1
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 2
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 3
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 4
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 5
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 6
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 7
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 8
Hickok Dynamic Mutual Conductance Tube Tester Type 560, US $545 – Picture 9

Hickok Dynamic Mutual Conductance Tube Tester Type 560

US $545

  • Johannesburg, California, United States
  • Jan 29th
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Hickok Dynamic Mutual Conductance Tube Tester Type 560Used working condition. AC voltmeter has been replaced (it has a red mark at 110 vac instead of 100 where it should be). The cap wire needs to be replaced. The wiring on the underside is in excellent condition. There was another lead  that needs a new wire added next to the "acorn" style tube socket. GPS # 2 buton is missing. I have the wrong fuse bulb in it. It needs a number 81. That's why the fuse element is so bright. It needs calibration, the unit is circa 1943 so it's pushing 75 years old. It has a "life expectancy" test mode to check for reduced cathode electron emission. Includes a reprint of the government instruction manual for the model 560(spl) (which was a moisture and humidity treated model used in WWII). 
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes “Needs to calibrated. I had to replace the AC voltmeter so the red mark is at 110 vac instead of 100 where it should be. The cap wire needs to be replaced.”

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